Sub damaging HD?

[RemyCanad]

I read an artical about what kills hds. In it, it talked about bumping the case, hds rattling and such causing damage. Well my 560z' create enough shake at low volume level to compair to a ball bouncing on the floor. Any idea on this?

 

[zShowtimez]

My friend has 2 600 watt 12" subs sitting about 3 feet away from his computer, and nothing has gone wrong in over a year and a half. I dont think you have much to worry about.